Home / 28,352,806.20-42,529,209.30-8,158,048.20

Finding the Fourth Proportional to 28,352,806.20, 42,529,209.30 and 8,158,048.20

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Solution

The fourth proportional to 28,352,806.20, 42,529,209.30 and 8,158,048.20 is: 12,237,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,806.20 : 42,529,209.30 = 8,158,048.20 : x
  2. Step 2: Convert to fraction form
    28,352,806.20/42,529,209.30 = 8,158,048.20/x
  3. Step 3: Cross multiply
    28,352,806.20x = 42,529,209.30 × 8,158,048.20
  4. Step 4: Simplify right side
    28,352,806.20x = 346,955,339,377,288.25
  5. Step 5: Solve for x
    x = 346,955,339,377,288.25/28,352,806.20
  6. Step 6: Final answer
    x = 12,237,072.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.